unblock

Verb (3)

1. clear or remove an obstruction from“the procedure unblocked his arteries”
2. play the cards of (a suit) so that the last trick on which a hand can follow suit will be taken by a higher card in the hand of a partner who has the remaining cards of a combined holding
3. make (assets) available“release the holdings in the dictator's bank account”Synonyms: unfreezefreerelease